Investment in Unconsolidated Entities - Cash Received and Distributions from Joint Venture (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Schedule of Equity Method Investments [Line Items]
Net change in cash and cash equivalents	$ (8,557)	$ 1,721
Torrance Joint Venture
Schedule of Equity Method Investments [Line Items]
Cash generated from other activities and excess cash	0	45
Net change in cash and cash equivalents	0	45
NewINK Joint Venture
Schedule of Equity Method Investments [Line Items]
Cash generated from other activities and excess cash	822	822
Net change in cash and cash equivalents	822	822
Inland Joint Venture
Schedule of Equity Method Investments [Line Items]
Cash generated from other activities and excess cash	0	425
Net change in cash and cash equivalents	$ 0	$ 425